GB1151555A - Improvements in Electric Filters - Google Patents
Improvements in Electric FiltersInfo
- Publication number
- GB1151555A GB1151555A GB17999/67A GB1799967A GB1151555A GB 1151555 A GB1151555 A GB 1151555A GB 17999/67 A GB17999/67 A GB 17999/67A GB 1799967 A GB1799967 A GB 1799967A GB 1151555 A GB1151555 A GB 1151555A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- frequency components
- circuit
- recorder
- composite signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002131 composite material Substances 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000010363 phase shift Effects 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H15/00—Transversal filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Analogue/Digital Conversion (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Networks Using Active Elements (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB17999/67A GB1151555A (en) | 1967-04-19 | 1967-04-19 | Improvements in Electric Filters |
US721710A US3555439A (en) | 1967-04-19 | 1968-04-16 | Electrical filters |
DE19681773252 DE1773252B1 (de) | 1967-04-19 | 1968-04-19 | Schaltungsanordnung zur Trennung der hoch- und niederfrequenten Anteile eines Signalfrequenzgemisches |
JP43026370A JPS4830779B1 (enrdf_load_stackoverflow) | 1967-04-19 | 1968-04-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB17999/67A GB1151555A (en) | 1967-04-19 | 1967-04-19 | Improvements in Electric Filters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1151555A true GB1151555A (en) | 1969-05-07 |
Family
ID=10104876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17999/67A Expired GB1151555A (en) | 1967-04-19 | 1967-04-19 | Improvements in Electric Filters |
Country Status (4)
Country | Link |
---|---|
US (1) | US3555439A (enrdf_load_stackoverflow) |
JP (1) | JPS4830779B1 (enrdf_load_stackoverflow) |
DE (1) | DE1773252B1 (enrdf_load_stackoverflow) |
GB (1) | GB1151555A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3903735A (en) * | 1974-01-25 | 1975-09-09 | Gould Inc | Slope error compensating apparatus for use with profile measuring equipment |
US3904968A (en) * | 1974-05-13 | 1975-09-09 | Rockwell International Corp | Threshold extension switch |
USRE30554E (en) * | 1977-02-28 | 1981-03-24 | Union Carbide Corporation | Coordination complexes as catalysts |
US4302738A (en) * | 1980-04-11 | 1981-11-24 | Tektronix, Inc. | Noise rejection circuitry for a frequency discriminator |
JPH0160366U (enrdf_load_stackoverflow) * | 1987-10-06 | 1989-04-17 | ||
US5436882A (en) * | 1993-01-04 | 1995-07-25 | Taddeo; Anthony R. | Method and device for improving digital audio sound |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB804734A (en) * | 1954-11-30 | 1958-11-19 | Norden Ketay Corp | Means for phase discrimination of an alternating current signal |
US3108230A (en) * | 1960-12-06 | 1963-10-22 | Pacific Ind Inc | Crystal discriminator circuits |
US3392337A (en) * | 1965-02-09 | 1968-07-09 | Continental Electronics Mfg | Wide band frequency discriminator employing a constant delay |
-
1967
- 1967-04-19 GB GB17999/67A patent/GB1151555A/en not_active Expired
-
1968
- 1968-04-16 US US721710A patent/US3555439A/en not_active Expired - Lifetime
- 1968-04-19 JP JP43026370A patent/JPS4830779B1/ja active Pending
- 1968-04-19 DE DE19681773252 patent/DE1773252B1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3555439A (en) | 1971-01-12 |
DE1773252B1 (de) | 1971-01-21 |
JPS4830779B1 (enrdf_load_stackoverflow) | 1973-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR900017006A (ko) | 오디오 신호 기록장치 및 기록 캐리어 | |
ES440872A1 (es) | Un aparato para leer un portador de registro. | |
GB1151555A (en) | Improvements in Electric Filters | |
US2629784A (en) | Wide frequency-range magnetic recording and reproducing system | |
GB1241763A (en) | Improved readback circuit for information storage systems | |
GB1331302A (en) | Magnetic tape apparatus | |
GB852802A (en) | Arrangement for recording and reproducing a frequency band extending down to zero frequency | |
JPS5270802A (en) | Aural signal recording and reproducing system | |
JPS55163613A (en) | Aural signal recording/reproducing system | |
GB798948A (en) | System for reproducing signals from a magnetic medium | |
US3493675A (en) | Direct magnetic recording system with accentuation of video synchronizing pulses | |
GB2105899A (en) | Recording and reproducing stereophonic information | |
GB1226708A (enrdf_load_stackoverflow) | ||
US3872504A (en) | Apparatus for reducing the wow and flutter of a recording mechanism | |
SU1190404A1 (ru) | Устройство воспроизведени магнитной записи | |
US2458315A (en) | Method and apparatus for reproduction of angular magnetic recording | |
SU1644212A1 (ru) | Способ записи-воспроизведени аналоговых сигналов на движущийс носитель и устройство дл его осуществлени | |
GB1011443A (en) | Magnetic recording and playback device | |
EP0095162A2 (en) | Dropout compensation circuit for a video reproducing system | |
JPS5764327A (en) | Pilot signal recording and reproducing system | |
SU698164A1 (ru) | Устройство магнитной записи и воспроизведени телевизионного сигнала | |
GB1171316A (en) | Improvements in or relating to a method of and apparatus for Recording Signals on a Magnetic Medium | |
GB953135A (en) | Noise reduction method for recorded signals | |
SU445061A1 (ru) | Устройство дл воспроизведени частотно-модулированного сигнала | |
JPS5542337A (en) | Magnetic recording reproducing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |